Warning: Undefined array key "idc" in C:\xampp\htdocs\ce\penaforte\chatfeed.php on line 4

Fatal error: Uncaught Error: Undefined constant "DB_HOST" in C:\xampp\htdocs\ce\penaforte\chatfeed.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ce\penaforte\chatfeed.php on line 7